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GeoBox G112 User Manual

Mini edge blending processor
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G112 User Guide
Document: G112-2
----------------------------------------------------------------------------------------------------------------------------- -----------
G112 User Guide
G112 Mini Edge Blending Processor User Guide
Input: up to HDMI 1.4, 3840*2160 @30Hz
4:4:4 full color sampling
Output: Up to WUXGA @60Hz, 2048*1080/60Hz
Warping up to 17x9 control points
Full functions in one box, simple,
Flat and curved Edge Blending
easy-of-use
with matrix SW function
Sales & Technical support
Website:
www.vigillink.com
E-mail: info@vigillink.com Version: V1.1
Tel: +949-701-4742
0

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  • Page 1 G112 User Guide Document: G112-2 ----------------------------------------------------------------------------------------------------------------------------- ----------- G112 User Guide G112 Mini Edge Blending Processor User Guide Input: up to HDMI 1.4, 3840*2160 @30Hz 4:4:4 full color sampling Output: Up to WUXGA @60Hz, 2048*1080/60Hz Warping up to 17x9 control points...

  • Page 2: Table Of Contents

    4.4. Relation between Overlap pixels and geometry alignment accuracy…………………………. 4.5. Get installation data from VNS Excel Spread Sheet……………………………………………. 4.6. Apply Spread Sheet data for projector installation and GeoBox setting………………………. 4.7. Projector settings before edge blending………………………………………………………….. 4.8. GeoBox settings before edge blending……………………………………………………………...
  • Page 3 G112 User Guide Document: G112-2 ----------------------------------------------------------------------------------------------------------------------------- ----------- 5.2. Grid pattern pixel size selection……………………………………………………………………. 5.3. Geometry alignment………………………………………………………………………………… 5.3.1. Geometry alignment through IR remote controller……………………………………………. 33 5.3.2. Activate grid pattern…………………………………………………………………………… 5.3.3. [2x2] 4 corner geometry alignment…………………………………………………………. 5.3.4. [3x3], [5x3], [9x5], [17x17] warp alignment………………………………………………….

  • Page 4: Disclaimer/Copyright Statement

    G112 User Guide Document: G112-2 ----------------------------------------------------------------------------------------------------------------------------- ----------- Disclaimer/Copyright Statement Copyright 2022, VNS Inc. All Right Reserved This information contained in this document is protected by copyright. All rights are reserved by VNS Inc. VNS Inc. reserves the right to modify this document without any obligation to notify any person or entity of such revision. Copying, duplicating, selling, or otherwise distributing any part of this document without signing a non-disclosure agreement with an authorized representative of VNS Inc.

  • Page 5: Introduction

    Video wall function is to crop and allocate source image for each projector and set overlap pixels for edge blending. User can add one HDMI splitter and multiple units of G112 to implement flat and curved screen edge blending through remote controller and IR controller.

  • Page 6: Difference Between M801 & G112

    G112 User Guide Document: G112-2 ----------------------------------------------------------------------------------------------------------------------------- ----------- Difference between M801 & G112 Function M801 G112 Input port 2x HDMI 2.0, 1x DP, 1x VGA 1x HDMI 1.4 4096 x 2160 @60 fps, 4:4:4, 3840*2160 @30 fps, 4:4:4, 300MHz, Max. input resolution 600MHz, HDCP 2.2。...

  • Page 7: Functions And Features

    G112 User Guide Document: G112-2 ----------------------------------------------------------------------------------------------------------------------------- ----------- Function and features A. Each box includes below input and output port 1. Input: 1x HDMI 1.4. ▪ Support up to 384*2160 @30Hz with 4:4:4 chroma sampling without compression. ▪ Connect with various video sources and support none VESA standard input resolution.

  • Page 8: Main Applications

    G112 User Guide Document: G112-2 ----------------------------------------------------------------------------------------------------------------------------- ----------- video wall bezel compensation and creating overlap region for edge blending. F. Image rotation and flip 1. Image 90/180/270 degrees rotation, flip and mirror up to 4k/30Hz input resolution. 2. Image flip in Front/Rear, Left/Right and Top/Bottom directions.

  • Page 9: Content In The Packing Box

    G112 User Guide Document: G112-2 ----------------------------------------------------------------------------------------------------------------------------- ----------- Content in the packing box ➢ The G112 mini edge blending processor. ➢ 1x RC-400 IR Remote Controller (without battery) ➢ 1x IR Extending Receiver with 1.8m cable ➢ 1x Wall mount DC Power supply unit, In: AC 100V-240V. Out: DC 12V 1A ➢...

  • Page 10: Ir Remote Controller

    G112 User Guide Document: G112-2 ----------------------------------------------------------------------------------------------------------------------------- ----------- 2.3. IR Remote controller 2.4. System connection Below is system connection for 2 projectors with one G914 & two G112.

  • Page 11: System Information

    G112 User Guide Document: G112-2 ----------------------------------------------------------------------------------------------------------------------------- ----------- 2.5. System Information User can press [INFO] key on remote controller to get system information: ➢ Input signal status: input resolution, color bit and type ➢ Output status: output resolution, color bit, HDCP status and input/output synchronization status ➢...

  • Page 12: System Reset

    G112 User Guide Document: G112-2 ----------------------------------------------------------------------------------------------------------------------------- ----------- 2.6. System Reset User can rest system through below method: ➢ Use small pin to insert RESET hole at back panel for 5 seconds, user will see [Reset to Default] message. It will reset the system to factory default including all settings in Profile Index.

  • Page 13: How To Use Ir Remote Controller

    2.9. OSD Lock and unlock in multi-unit application ➢ In order to avoid interference among multiple GeoBox during setup, user can set ID number for each GeoBox under [Options] Menu. Press number keys in Remote Controller to determine which GeoBox will be controlled.

  • Page 14: Full Screen And Native Aspect Ratio

    G112 User Guide Document: G112-2 ----------------------------------------------------------------------------------------------------------------------------- ----------- ➢ OSD Lock / Unlock: When continuously press [Menu] key in IR Remote Control for 5 seconds, the OSD function will be locked to prevent from setting change by negligence. User will see flashing orange LED.

  • Page 15: Color Adjustment

    G112 User Guide Document: G112-2 ----------------------------------------------------------------------------------------------------------------------------- ----------- 2.12. Color Adjustment In edge blending application, color adjustment is important due to multiple units of projector images are combined together. 2.12.1. Global color adjustment: [Picture] [Picture] can execute below color adjustment for each processing channel.

  • Page 16: System Synchronization

    Sync] is applied, it is possible to lose sync during system setup and cause the projector to re-search the signal source. In order to provide smoother setup, GeoBox provides OSD for user to select different synchronization methods for easy setup.

  • Page 17: Example For 3 Projector Edge Blending

    ➢ Number of projectors: 3 projectors at 3x1 horizontal position ➢ Projector resolution and lumens. 1280*800 (native resolution), 3200 Lum. GeoBox output resolution shall be the same as projector native resolution to get the best video quality. ➢ Overlap pixels and dimension. 8 grids=8*32= 256 pixels ➢...

  • Page 18: Mark Image Location And Install The Projectors

    User can setup by IR remote controller or front panel keypad. If setup by IR remote ➢ controller, please install IR extender near screen for easy access by remote controller. The maximum adjusting points is 17x9. Connect input port and set GeoBox output resolution to be the same as projector ➢ native resolution.

  • Page 19: Projector Settings

    G112 User Guide Document: G112-2 ----------------------------------------------------------------------------------------------------------------------------- ----------- 3.4. Projector settings Please reset projector to default setting. ➢ Disable dynamic color adjustment. ➢ Disable Auto Keystone function. ➢ To select a Display Mode with 2.2 gamma curve will reduce the color difference in ➢...

  • Page 20: Geobox Settings

    & [17x9] alignment) alignment) ➢ User can install IR extender receiver near screen for easy GeoBox operation. IR receiver extender can be extended through audio cable. ➢ Click channel selection key and [Pattern] key to show grid patterns in all projectors. Press [Pattern] key again will change grid color.
  • Page 21 G112 User Guide Document: G112-2 ----------------------------------------------------------------------------------------------------------------------------- ----------- ➢ Apply [2X2 Corner] geometry alignment and draw the corners to expected locations. It doesn’t matter to have some image inside the screen once it covers entire screen before 4 corner adjustment. [Warp] alignment will adjust the image position back to the required position.

  • Page 22: Video Wall Settings

    Click [INFO] key to check if correct input and output timing is in the system. User needs to apply the same input/output timing as VNS Excel Spread Sheet calculation. ➢ Example for [Video wall] settings for 3 projectors horizontal edge blending with 3x G112. ▪ [Zoom]: set to H=3, V=1 in all channels. Each Box should be set separately.

  • Page 23: Edge Blending Setting

    G112 User Guide Document: G112-2 ----------------------------------------------------------------------------------------------------------------------------- ----------- ➢ For dual projector edge blending, user can apply still image, select correct edges and adjust [Overlap] value simultaneously and let the image in edge blending area comes closer till without double image. Two projectors shall have the same value (same cropping range). The difference shall not be over 2 pixels.

  • Page 24: Final Image Quality Fine-Tuning

    The video quality in overlap region is related to many factors. Please see more details ➢ in other section related to [Final Image quality fine-tune] in this user guide. No black level uplift function in G112. If user requires this function, please use other ➢ models to implement it.
  • Page 25 (not through OSD direction keys) to [Load] user settings. It will Load the settings for all channels at the same time. ➢ When user power off the system, GeoBox will save user setting without loss even the setting is not saved into Profile Index, unless someone to change it. ➢...

  • Page 26: Detailed Description For Edge Blending

    ➢ The most common overlap region is about 20% to 40% based on single projector native resolution. For 1024*768 projector, the overlap range is 1024*20%~1024*40%=205~409 pixels. GeoBox test...

  • Page 27: Relation Between Overlap Pixels And Geometry Alignment Accuracy

    Proper selection of Overlap pixels will affect the control points in geometry alignment. If the Overlap pixel is 25% of the projector native resolution (or GeoBox output resolution), it will have less geometry alignment points due to control points in adjacent projectors will be at the same location.
  • Page 28 G112 User Guide Document: G112-2 ----------------------------------------------------------------------------------------------------------------------------- ----------- ▪ 37.5% overlap region The adjusting points in projector A & B will be separated in 37.5% overlap region and increase geometry alignment accuracy. ▪ Recommended overlap pixels in different output resolutions Below is the list for the accuracy of geometry adjustment in different overlap pixels:...

  • Page 29: Get Installation Data From Vns Excel Spread Sheet

    How to use VNS Excel Spread Sheet ▪ Input all the data in yellow column, including Source Resolution, GeoBox output resolution (Same as Projector native Resolution), Screen size, Projector throw ratio, Projector Lumens, quantity of projector and Overlap Pixels. User can try different configurations and select the most cost effective one with the image height a little higher than required.

  • Page 30: Apply Spread Sheet Data For Projector Installation And Geobox Setting

    (under the same Excel File) ▪ Please contact dealer or factory to get necessary assistance for the Spread Sheet. 4.6. Apply Spread Sheet data for projector installation and GeoBox setting 4.6.1. Installation data from Spread Sheet from previous section: ➢...

  • Page 31: Projector Settings Before Edge Blending

    G112 User Guide Document: G112-2 ----------------------------------------------------------------------------------------------------------------------------- ----------- 4.6.3. Installation the projector ➢ To install the projector at a location as showed above with the image just a little over required region at any point. Too large image will lose image resolution and brightness.

  • Page 32: Geobox Settings Before Edge Blending

    ----------------------------------------------------------------------------------------------------------------------------- ----------- 4.8. GeoBox settings before edge blending ➢ Use small pin to insert into RESET hole on the back panel of GeoBox for 5 seconds to reset GeoBox to default setting. ➢ Select input port and output resolution in each Box.

  • Page 33: Grid Pattern Pixel Size Selection

    G112 User Guide Document: G112-2 ----------------------------------------------------------------------------------------------------------------------------- ----------- ➢ PS. User can select the last pattern mode [OSD Value + background] and apply external test pattern for geometry alignment. 5.2. Grid Pattern Pixel Size selection ➢ The pixel size in grid pattern for geometry alignment is selectable to meet high end simulation system geometry alignment requirements.

  • Page 34: Geometry Alignment

    User can install IR extender receiver near screen for easy GeoBox operation (Please add audio extending cable to extend the distance up to 20 meters). If multiple units of GeoBox are used and IR receivers are put together, please set [Box ID] for each GeoBox so that user can control each GeoBox separately through [85x] command.

  • Page 35: Activate Grid Pattern

    GeoBox output resolution settings are not the same. ▪ Projector aspect ratio setting is different. ▪ GeoBox is set at [Original AR]. It shall be [Full Screen]. ▪ Set different grid pattern size in each channel. ➢ If user doesn’t use VNS Excel Spread Sheet to calculate the image size in each projector, please try to set the same projection height prior to geometry adjustment.

  • Page 36: 3X3], [5X3], [9X5], [17X17] Warp Alignment

    Geometry alignment range from remote controller can be up to 600 pixels in [2x2] + 600 pixels more in [3x3] for one corner/edge. ➢ If over GeoBox geometry adjustment range, the image will be broken. Please adjust projector installation position or use projector geometry alignment function to cover some adjustment. ➢...

  • Page 37: Linearity Grid Line Adjustment

    G112 User Guide Document: G112-2 ----------------------------------------------------------------------------------------------------------------------------- ----------- [3x3] warp hotkey 5.3.5. Linearity grid line adjustment The control point can shift grid lines in both horizontal and vertical directions. ➢ Linearity grid line adjustment is under [3x3], [5x3], [9x5] & [17x9] warp alignment menu. User can select the control point, then press ENTER to do grid line adjustment.

  • Page 38: Corner Wall Geometry Adjustment

    G112 User Guide Document: G112-2 ----------------------------------------------------------------------------------------------------------------------------- ----------- ➢ Linearity Grid Line adjustment can shift both horizontal and vertical grid lines. The maximum adjusting points in OSD menu is H=17, V=9. For [3x3], the adjusting range is +_600 pixels in each direction.
  • Page 39 G112 User Guide Document: G112-2 ----------------------------------------------------------------------------------------------------------------------------- ----------- +-900 Px +-900 Px +-900 Px +-900 Px Example A: Single projector application...
  • Page 40 If user wants to implement Corner Wall function on curve screen, user can add one more G111/G112 to do warp alignment, then connect the output to the input port of the Box for Corner Wall alignment. Then user can execute curve alignment and Corner Wall adjustment at the same time.

  • Page 41: Video Wall] Settings

    G112 User Guide Document: G112-2 ----------------------------------------------------------------------------------------------------------------------------- ----------- [Video Wall] setting ➢ The purpose for Video Wall Setting is to split the image and assign specific image to each projector. The overlap pixel setting is to change the cropping area for each projector based on the overlap size.

  • Page 42: Pan]: Assign Image Location

    G112 User Guide Document: G112-2 ----------------------------------------------------------------------------------------------------------------------------- ----------- For 3 projectors at horizontal position, Horizontal Zoom=3, Vertical zoom=1 For 3x3 displays (9 projectors), Horizontal Zoom=3, Vertical Zoom=3 6.2. [Pan]: assign image location Use [Pan] to determine the location of each split image in both horizontal and vertical directions.

  • Page 43: Position]: Shift Image Position Without Changing Image Size

    G112 User Guide Document: G112-2 ----------------------------------------------------------------------------------------------------------------------------- ----------- ➢ In multiple projector applications, the Overlap value can be determined by VNS Excel Spread Sheet as showed in below chart with RED mark. User can follow this value to get the right overlap settings with clear image.

  • Page 44: Edge Blend] Settings

    G112 User Guide Document: G112-2 ----------------------------------------------------------------------------------------------------------------------------- ----------- [Edge Blend] settings ➢ Edge Blend is to merge the images from multiple projectors to become one seamless image. ➢ The scaling factor between two adjacent images shall be the same. It means the image size under the same resolution should be the same.

  • Page 45: Edge] Selection Location And Set Edge Blending Value

    G112 User Guide Document: G112-2 ----------------------------------------------------------------------------------------------------------------------------- ----------- 7.1. [Edge]: select location and set edge blending value ➢ [Edge] is to select the edge for edge blend and set overlapped pixel number. ➢ User can execute edge blending at any edge.

  • Page 46: Gamma]: Color Correction In Edge Blending Area

    G112 User Guide Document: G112-2 ----------------------------------------------------------------------------------------------------------------------------- ----------- 7.3. [Gamma]: Color correction in edge blending area ➢ Different projectors may have different gamma curves. Different “Display mode” in the same projector will also have different gamma curves. Edge blending default gamma curve is 2.2. These gamma curves will affect the color in edge blending area.
  • Page 47 G112 User Guide Document: G112-2 ----------------------------------------------------------------------------------------------------------------------------- ----------- ➢ [Gain] gamma: ▪ This function can change the gamma curve in each projector separately. ▪ It can further improve edge blending result, especially while two adjacent projectors have different gamma curve. ▪...

  • Page 48: Color]: Individual Projector White Balance And Color Correction

    G112 User Guide Document: G112-2 ----------------------------------------------------------------------------------------------------------------------------- ----------- 7.4. [Color]: Individual projector white balance and color correction The [Color] function can be applied to individual projector for white balance and color difference correction through separate RGB Gain and Offset adjustment. It will be helpful to compensate projector color difference, lamp brightness decay and lamp replacement issue.

  • Page 49: Grid] (Determine Grid Pattern Size)

    7.6. Final image quality fine-tune ➢ The final performance will be a combination of many factors—projector characteristics, projector setting, screen, ambient light and GeoBox setting. ➢ Banding in overlap area under dark environment is caused by light leakage in the projector optic system.
  • Page 50 G112 User Guide Document: G112-2 ----------------------------------------------------------------------------------------------------------------------------- ----------- To reserve enough overlap area—0.6m-1.2m in width or 20%-40% (based on single projector native resolution) is recommended. To adjust image position of the projector and reduce keystone angle. Increase Overlap region & reduce off axis angle To reset projectors with the same settings.

  • Page 51: Complete System Aspect Ratio Adjustment

    G112 User Guide Document: G112-2 ----------------------------------------------------------------------------------------------------------------------------- ----------- Complete system aspect ratio adjustment User can change the aspect ratio of the image with black borders or to stretch the image in specific direction to compensate the aspect ratio difference. The Maximum adjustment range is 1800 pixels in each edge.

  • Page 52: Miscellaneous Settings

    G112 User Guide Document: G112-2 ----------------------------------------------------------------------------------------------------------------------------- ----------- Miscellaneous settings 9.1. Helpful tips for edge blending ➢ In the application with short throw ratio projector on curved screen, there will be big image distortion. User needs to apply big geometry alignment and degrade the video quality.

  • Page 53: Image Distortion

    Below are some guideline for EDID setting: ➢ GeoBox can support big range of input signal timing—from XGA up to 4k/2k @30Hz. In order to get the best video performance, user needs to select the best input signal resolution.
  • Page 54 Document: G112-2 ----------------------------------------------------------------------------------------------------------------------------- ----------- ➢ PC may memory the first EDID when it is connected with GeoBox. Some PC may not follow new EDID setting in GeoBox. Below are some suggestions that may fix this kind of issue. ▪ Power ON GeoBox first and set EDID before connected with signal source. It will make sure PC can catch correct EDID information.

  • Page 55: Hdmi Vs. Dvi Output Signal

    If set [Standby Time] at 60, the system will get into Standby Mode after 60 seconds when no input signal is detected. The output signals from GeoBox will also be terminated at the same time. If GeoBox detects input signal again (hot plug signal), it will automatically turn on the system.

  • Page 56: Turn Off Splash Screen Logo

    G112 User Guide Document: G112-2 ----------------------------------------------------------------------------------------------------------------------------- ----------- 9.7. Turn off splash screen Logo ➢ Use can turn off splash screen Logo through [Options]→ [Accessibility]→ [Logo Time Out] and set the value at “0”. Default setting is 10 seconds. ➢ It will reduce the boot up time.

  • Page 57: Trouble Shooting

    HDCP compliant issues: If the input source or the monitors are not HDCP compliant, it is possible to stop GeoBox from negotiating HDCP link and show intermittent, abnormal or no image. Please check HDCP condition in signal source or display device.

  • Page 58: Video Quality Issues

    10.4. Video quality issues ➢ Use the highest resolution and number of color bits (RGB 4:4:4) images allowed by G112. Please click INFO key to verify input/output resolution. ➢ There are a number of lower-quality AV players, the specification and actual output are difference, or because of the use of lower color sampling bits or poor image compression technology, resulting in lower quality or image is not smooth (LAG).

  • Page 59: System Crash And Malfunction

    Check projector image shift condition after some time with GeoBox in OFF condition. ▪ User will clearly identify that the position shift is from GeoBox or not after this procedure. ▪ GeoBox is digital processor and will not change image position only for few pixels.

  • Page 60: Technical Support

    ➢ The following information is required for a swift response. ▪ Take a picture of the label under the back of the box. It will provide GeoBox model No. and series No. ▪ If OSD can be seen, press [Info] key on remote controller to get System Information and send the picture.

  • Page 61: Specification

    G112 User Guide Document: G112-2 ----------------------------------------------------------------------------------------------------------------------------- ----------- Specification ➢ Input: 1x HDMI 1.4 ➢ Output: 1x HDMI 1.4 ➢ HDCP compliance: Input: HDMI: HDCP V1.4, Output: HDCP V1.4. ➢ Max. input resolution: 3840*2160/30 Hz, 300MHz ➢ Input supports progressive and interlaced RGB/YUV signal, 4:4:4 Chroma sampling, up to 30 Color bits.

  • Page 62: Revision History

    G112 User Guide Document: G112-2 ----------------------------------------------------------------------------------------------------------------------------- ----------- Revision History Revision Date Originator Comments V1.0 2022-0418 Steve Wang First version...

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